Add 28/10 and 81/60
1st number: 2 8/10, 2nd number: 1 21/60
28/10 + 81/60 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
168/60 + 81/60 = 168 + 81/60 = 249/60 - 249/60 simplified gives 83/20
- So, 28/10 + 81/60 = 83/20
In mixed form: 43/20
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